#318E08
Closest named color: Emerald Green (#028F1E). oklch(56.9% 0.178 139.4), rgb(49, 142, 8).
Aa
Black text reads best on this color (5.00:1).
About this color
#318E08 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.178 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald Green (#028F1E), ΔE 0.016 away. Black text reads best on it, at 5.00:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Emerald Green (#028F1E) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #318E08 |
| RGB | rgb(49, 142, 8) |
| HSL | hsl(102, 89%, 29%) |
| OKLCH | oklch(56.9% 0.178 139.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #318E08 | 4.19:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #318E08 | 5.00:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #318E08 text on white | 4.19:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #318E08 text on black | 5.00:1 | AA | Lc -33.2 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#CBE1C5
oklch(88.6% 0.044 139)
-
Step 300
300
#A6CE9C
oklch(81% 0.081 139.4)
-
Step 400
400
#75B465
oklch(70.8% 0.128 139.5)
-
Step 500
500
#4EA036
oklch(63.1% 0.163 139.3)
-
Step 600
600 (this color)
#318E08
oklch(56.9% 0.178 139.4)
-
Step 700
700
#257400
oklch(49.1% 0.156 139.3)
-
Step 800
800
#1C5F00
oklch(42.6% 0.136 139.5)
-
Step 900
900
#1E4E0E
oklch(37.6% 0.106 139.2)
-
Step 950
950
#132E0B
oklch(27% 0.067 139.2)
#318E08 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #928000 | 0.118 |
| Deuteranopia (no green cones) | #87791F | 0.117 |
| Tritanopia (no blue cones) | #248978 | 0.121 |
| Achromatopsia (no color) | #7C7C7C | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #318E08
#318E08
oklch(56.9% 0.178 139.4)
- #A24CB7
#A24CB7
oklch(56.8% 0.177 319.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #318E08, closest first.
No curated palette has a color within ΔE 0.04 of #318E08.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald Green #028F1E ΔE 0.016
- Forest Green #228B22 ΔE 0.018
- True Green #089404 ΔE 0.022
- Irish Green #019529 ΔE 0.023
- Kelley Green #009337 ΔE 0.028
- Sap Green #5C8B15 ΔE 0.041
- Dark Grass Green #388004 ΔE 0.041
- Grass Green #3F9B0B ΔE 0.041
Use #318E08 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.